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North American Lichen Herbaria
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Chaenotheca
Family: Coniocybaceae
Chaenotheca image
Frank Bungartz
  • Greater Sonoran Desert
  • Resources
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2004. Lichen Flora of the Greater Sonoran Desert Region. Vol 2.
Life habit: lichenized Thallus: crustose, superficial or immersed, farinose, granular, verrucose or squamulose surface: gray, greenish gray, golden yellow, brownish, or bright yellow-green photobiont: primary one a species Dictyochloropsis, Stichococcus, Trentepohlia or Trebouxia, secondary one absent Ascomata: apothecial, with short to long stalk stalk: consisting of periclinally arranged brown hyphae capitulum: globose to obconical; thalline exciple: absent proper exciple: +well developed, formed by periclinally arranged, +intertwined hyphae and continuous with stalk tissue; hypothecium: medium brown, with convex to flat upper surface mazaedium: well developed, pale brown to medium brown; paraphyses: sparingly branched, continuing to grow into the ascospore mass asci: cylindrical, ellipsoid or irregular, dissolving at an early stage, formed from ascogenous hyphae with or without croziers, either singly or in chains ascospores: simple or rarely 1-5-septate, brown to pale brown, forming a dry brown spore mass, globose or ellipsoid-cylindrical, 2.5-9 x 2.5-7.5 µm; wall: +thick, smooth or with an ornamentation of irregular cracks Conidiomata: forming several types: both coelomycetous (pycnidial), spherical with apical ostiole, or hyphomcetous, simple, Phialophora-like; pycnidium wall: thin and consisting of one or a few layers of radially arranged cells; wall-forming cells: with a thick pigmented layer at their distal surface; conidiogenous cells: simple, ellipsoid to cylindrical conidia: acrogenous, hyaline, one-celled, 2-3 x 1 µm Secondary metabolites: pulvinic acid derivatives occur as a pruina and more rarely within the thallus, ß-orcinol depsides and pseudoplacodiolic acid Substrate: mainly on bark and wood, rarely on soil and rocks, mostly in very sheltered situations with high humidity and low light levels Geography: cosmopolitan, mostly cool to temperate. Notes: See Tibell (1999) for fuller description of the genus.
Species within checklist: Lichen-forming, lichenicolous and allied fungi of the continental US & Canada (Version 22)
Chaenotheca balsamconensis
Image of Chaenotheca balsamconensis
Map not
Available
Chaenotheca brachypoda
Image of Chaenotheca brachypoda
Map not
Available
Chaenotheca brunneola
Image of Chaenotheca brunneola
Map not
Available
Chaenotheca chlorella
Image of Chaenotheca chlorella
Map not
Available
Chaenotheca chrysocephala
Image of Chaenotheca chrysocephala
Map not
Available
Chaenotheca cinerea
Image of Chaenotheca cinerea
Map not
Available
Chaenotheca erkahomattiorum
Images
not available
Map not
Available
Chaenotheca ferruginea
Image of Chaenotheca ferruginea
Map not
Available
Chaenotheca floridana
Image of Chaenotheca floridana
Map not
Available
Chaenotheca furfuracea
Image of Chaenotheca furfuracea
Map not
Available
Chaenotheca gracilenta
Image of Chaenotheca gracilenta
Map not
Available
Chaenotheca gracillima
Image of Chaenotheca gracillima
Map not
Available
Chaenotheca hispidula
Image of Chaenotheca hispidula
Map not
Available
Chaenotheca hygrophila
Image of Chaenotheca hygrophila
Map not
Available
Chaenotheca laevigata
Image of Chaenotheca laevigata
Map not
Available
Chaenotheca nitidula
Image of Chaenotheca nitidula
Map not
Available
Chaenotheca olivaceorufa
Image of Chaenotheca olivaceorufa
Map not
Available
Chaenotheca phaeocephala
Image of Chaenotheca phaeocephala
Map not
Available
Chaenotheca servitii
Image of Chaenotheca servitii
Map not
Available
Chaenotheca sphaerocephala
Image of Chaenotheca sphaerocephala
Map not
Available
Chaenotheca stemonea
Image of Chaenotheca stemonea
Map not
Available
Chaenotheca subroscida
Image of Chaenotheca subroscida
Map not
Available
Chaenotheca trichialis
Image of Chaenotheca trichialis
Map not
Available
Chaenotheca xyloxena
Image of Chaenotheca xyloxena
Map not
Available

 

This project made possible by National Science Foundation Awards: #1115116, #2001500, #2001394
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